RTI AD-4 Betriebsanleitung PDF herunterladen (Seite 14)

Audio Distribution System

AD-4

9. Link

This is for future use. DO NOT USE.

10. Mute

This 3.5mm stereo mini-jack is for the connection of a PDM-1 Phone/

Doorbell Mute Module that can automatically mute the AD-4 audio.

11. Status

This 3.5mm mono connection provides a +12VDC output when any

zone is turned on (15mA max). This can be used to trigger external

equipment. When all zones are turned off, 0VDC is present.

12. +12VDC

This is for future use. DO NOT USE.

13. Speaker Outputs

Four sets of removable stereo connectors for speakers in each zone.

14. RS-232

DB-9 jack for RS-232 control of the AD-4 from a control system. See

Chapter 3 Installation & Operation for RS-232 control details.

DB-9 Pinout

1 DCD Carrier Detect

2 TXD Transmit Data

3 RXD Receive Data

4 DTR Data Terminal Ready

5 GND Ground

6 DSR Data Set Ready

7 RTS Request to Send

8 CTS Clear to Send

9 N/C Not Connected

15. AC Power Socket and Fuse

Three-pin grounded socket to connect removable AC power cord with a

T2AL 250V fuse.

CHAPTER 2 | FEATURES AND DESCRIPTION

AD-4 REAR PANEL - CONTINUED

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 35 36

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RTI AD-4 Betriebsanleitung Seite 14